Finding the Fourth Proportional to 2,088.78, 3,117.72 and 1,842.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.78 : 3,117.72 = 1,842.81 : x
2. Step 2: Convert to fraction form
   2,088.78/3,117.72 = 1,842.81/x
3. Step 3: Cross multiply
   2,088.78x = 3,117.72 × 1,842.81
4. Step 4: Simplify right side
   2,088.78x = 5,745,365.59
5. Step 5: Solve for x
   x = 5,745,365.59/2,088.78
6. Step 6: Final answer
   x = 2,750.58